Stirling Engine Kit Hot Air Engine Model Education Toy Electricity Power Generator LED Color:Black and it weights 639g

and it weights 639g

Quartz glass hot cylinder with high hardness

Hot Air L-shape Stirling Engine Motor Model Educational Toy Electricity Generator

Size(L*W*H): approx

Its elegant gift package makes it spruce up and presentable

Stirling Engine Kit Hot Air Engine Model Education Toy Electricity Power Generator LED Color:Black and it weights 639gHigh Quality DIY Stirling Engine with 4Pcs LED Light Brown Solid Wood Baseplate Stem Steam Model Set ATTRACTIVE 4BLUE LED MOTOR INSTALLED The stirling engine equipped with a 4Blue LED motor. Because of the heat from high grade alcohol, the engine will run madly and create the electricity. The power will go through the wire and drive the Blue LED lighting. It's really interesting and imaginative toy. EXTREMLY WELL MADE A carefully crafted engine with